【单选题】硫酸与水可形成 H 2 SO 4 ·H 2 O ( s ) 、 H 2 SO 4 ·2H 2 O ( s ) 、 H 2 SO 4 ·4H 2 O ( s ) 三种水合物,问在 101 325 Pa 的压力下,能与硫酸水溶液及冰平衡共存的硫酸水合物最多可有多少种?
【单选题】Please let us know yesterday, my daughter.
C.
did you go to the mall
D.
if you went to the mall
【单选题】—Did you eat yet? —______.
A.
Yes, let's have lunch together
B.
No, let's go there sometime
D.
Yes, about an hour ago
【单选题】---Could you let me know ________ yesterday ? ---Because the traffic was heavy .
【判断题】女性如果长时间在一起,她们的月经周期通常会比较接近。
【单选题】'______ you ever _______ the film?' 'Yes, let me tell you something about it.' [ ]
【判断题】根据《公司法》的规定,子公司与分公司的最大区别在于是否具有企业法人资格 ()
【单选题】硫酸与水可形成 H 2 SO 4 ·H 2 O(s) 、 H 2 SO 4 ·2H 2 O(s) 、 H 2 SO 4 ·4H 2 O(s) 三种水合物 , 问在 101 325 Pa 的压力下 , 能与硫酸水溶液及冰平衡共存的硫酸水合物最多可有多少种 ? ( )
【单选题】—_____ did you always get the first place? Could you let me know? —Only because I like it and practice every day. [ ]